The number 58931
58931 is a composite number with 4 divisors. Its prime factorisation is 31 × 1901. Divisors (4): 1, 31, 1901, 58931.
Pick any whole number from 1 to 100,000.
How to work it out
- 1
What is special about 58931: a semiprime: 31 × 1901, the product of two primes.
- 2
58931 is composite. Its prime factorisation is
- 3
The divisors add up to 60864; without 58931 itself that is 1933, so 58931 is deficient (1933 is less than 58931). Euler's totient φ(58931) = 57000 numbers up to 58931 share no factor with it.
- 4
The digits of 58931 add up to 26, and repeating that until one digit is left gives the digital root 8. The Collatz sequence (halve if even, else 3n+1) takes 73 steps to reach 1.
LaTeX source of the formulas on this page
\[ 58931 = 31 \times 1901 \]
58931 at a glance
| Property | Value |
|---|---|
| Type | composite |
| Number of divisors | 4 |
| Sum of divisors | 60864 |
| Euler totient φ(n) | 57000 |
| Square | 3472862761 |
| Cube | 204659275368491 |
| Square root | 242.757080 |
| Digit sum / digital root | 26 / 8 |
| Collatz steps to 1 | 73 |
| Scientific notation | 5.8931 × |
58931 in other forms
| Form | Value |
|---|---|
| In words | fifty-eight thousand nine hundred and thirty-one |
| Binary (base 2) | 1110011000110011 |
| Octal (base 8) | 163063 |
| Hexadecimal (base 16) | E633 |
| Base 3 | 2222211122 |
| As time | 58931 seconds = 16 h 22 min 11 s |
Is 58931 divisible by 2 to 12?
| Divisor | Answer | Rule |
|---|---|---|
| 2 | No (remainder 1) | A number is divisible by 2 if the last digit is even (0, 2, 4, 6, 8). |
| 3 | No (remainder 2) | A number is divisible by 3 if the digits add up to a multiple of 3. |
| 4 | No (remainder 3) | A number is divisible by 4 if the last two digits make a multiple of 4. |
| 5 | No (remainder 1) | A number is divisible by 5 if the last digit is 0 or 5. |
| 6 | No (remainder 5) | A number is divisible by 6 if it is divisible by both 2 and 3. |
| 7 | No (remainder 5) | A number is divisible by 7 if double the last digit and subtract it from the rest: the result is a multiple of 7. |
| 8 | No (remainder 3) | A number is divisible by 8 if the last three digits make a multiple of 8. |
| 9 | No (remainder 8) | A number is divisible by 9 if the digits add up to a multiple of 9. |
| 10 | No (remainder 1) | A number is divisible by 10 if the last digit is 0. |
| 11 | No (remainder 4) | A number is divisible by 11 if the alternating sum of the digits is a multiple of 11. |
| 12 | No (remainder 11) | A number is divisible by 12 if it is divisible by both 3 and 4. |
Questions
Is 58931 a prime number?
No. 58931 = 31 × 1901, so it is divisible by 31.
What are the factors of 58931?
1, 31, 1901, 58931.
What is 58931 in binary?
1110011000110011 (hexadecimal E633, octal 163063).
What is the square root of 58931?
About 242.7571.
Is 58931 divisible by 3?
No. Its digits add up to 26, which is not a multiple of 3.
What is special about the number 58931?
58931 is a semiprime: 31 × 1901, the product of two primes.